multiplying powers


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Magnifying Power of a Compound Microscope
The magnifying power of a compound microscope is defined as the ratio of the size of the final image (I 2 ) as seen through the microscope to the size of the object as seen with a naked eye. Image Formation in a Compound Microscope = m o b j e c t i v e x m e y e p i e c e = m o x m e Whe..
Force Work Power Energy and Machines Summary
Summary - Machine is a device that is used to multiply force, or to gain speed, or to change the direction of a force, or transform energy. Levers, pulleys, inclined plane and gears are some of the examples of simple machine..
Gears
gears force multipliers Gears are like a continuously rotating lever. By using different sizes of wheels, and different numbers of teeth, you can use gears as force multipliers or as distance multipliers. Figure above shows two cogs one with twice as many teeth as the other. The cog teeth fit together,..
Step 2:
Differentiate the terms containing x, y or both xy with respect to x. While differentiating the terms containing y or power of y, first differentiate with respect to y, then multiply by ..
Levers of the 2nd Order [Class II Levers]
lever of second order Levers of the 2 nd Order [Class II Levers] - In these type of levers the load is situated between fulcrum and effort.(shown in the figure belo..
Factorising Trinomials
When the coefficient of the highest power is 1. i.e., ax 2 bx c, when a = 1 and b and c are integers. When two binomials are multiplied the product is a trinomial. Thus (x + 4) (x + 5) = x 2 + 9x + 20 (1) (x - 4) (x - 5) = x 2 - 9x + 20 (2) In this chapter we try t..
Linear Equations in One Variable
An equation of one variable and of first order (i.e., its highest power is one) is called a Linear equation. Such an equation has only one solution. A solution is also called the 'root' of the given equation.An equation of one variable and of first order (i.e., its highest power..
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